Wang, Y.
Shen, X. J.
Chen, H. P.
Sun, J. X.
Article History
Received: 21 January 2020
Revised: 22 February 2021
Accepted: 10 March 2021
First Online: 21 September 2021
COMPLIANCE WITH ETHICAL STANDARDS
: This article is a completely original work of its authors; it has not been published before and will not be sent to other publications until the Editorial Board of the Pattern Recognition and Image Analysis decides not to accept it for publication.
: The process of writing and the content of the article does not give grounds for raising the issue of a conflict of interest.